Resource exhaustion in Openbsd Openssh

CVE-2015-5600

The kbdint_next_device function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the processing of keyboard-interactive devices within a single connection, which makes it easier for remote attackers to conduct bru…

EPSS: 0.784 (99.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-5600?
CVE-2015-5600 is a high-severity vulnerability in Openbsd Openssh, classified under CWE-264. CVSS score: 8.1/10. Published 2015-08-03.
How severe is CVE-2015-5600?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2015-5600 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.